If DrJava complains in some way, you mistyped something.Ĭheck your program carefully, using the error messages in the Compiler Output pane If all goes well, you should see the following message in the Compiler Output It is now time to convert your Java program into a form more amenable forĮxecution on a computer. The filename is case sensitive and must exactly match the name of the If you omit even a semicolon,Īs you type, DrJava does the indenting for you.įinally, click the Save button to save the file, using HelloWorld.java exactly as it appears below. In the main DrJava window, type the Java program If you receive a warning about incoming network connections, The installer creates a shortcut to DrJava on the desktop. You will develop your Java programs in an application called DrJava.ĭrJava features many specialized programming tools including syntax highlighting,īracket matching, auto indenting, and line numbering. Now you are ready to write your first Java program. A Standard Drawing window containing a red bullseye and a textbook graphic.A Terminal window containing approximately this.If the installation succeeds, you will see the following: Enter your OS X password when prompted.

If you receive a warning that introcs.app is an applicationĭownloaded from the Internet, click Open.

Double-click introcs.app to perform the installation.

Jdk-8u171-macosx-圆4.dmg to begin the installation.ĭouble-click it to unzip (if necessary). The exact verison 8u171 is not essential. Which corresponds to the entry for Mac OS X. In the first table, check Accept License Agreement Install Oracle's implementation of the Java Platform, Standard Edition Developmentĭo not install either JDK 9 or JDK 10, as they are currently incompatible with DrJava. Your account must have Administrator privileges (with a non-blank password)Īnd you must be connected to the Internet. Log in to the user account in which you will be programming. Including DrJava, and the standard libraries from our textbook. The Java programming environment you will be using,

Our installer downloads, installs, and configures You can defer steps 4–6 until Section 1.5 of the textbook. Mac OS X 10.8 (Mountain Lion) to Mac OS X 10.13 (High Sierra). It also provides a step-by-step guide for creating,Ĭompiling, and executing a Java program using either DrJava or the Terminal.Īll of the software used is freely available. This document instructs you on how to set up our Java programming environmentįor your Mac OS X computer. It has been replaced by the following IntelliJ-based programming environment for (because DrJava in no longer being actively developed and DrJava is incompatible with Java 11). This DrJava-based Java programming environment is no longer being supported

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